Settings: External GPS Support (1/2) - from CM

- Ported feature from CM9
- Fixed string/arrays files
- Removed translation

Submitted on behalf of a third-party: Cuong Bui

Change-Id: I5590b23a6539ae0a9b2fb8a07eed5fabdf290cbf

Conflicts:
	res/values/cm_arrays.xml
	res/values/cm_strings.xml